Conseil national de recherches du Canada. Technologies de sécurité et de rupture
2014 Materials Research Society Fall Meeting, November 30 - December 5, 2014, Boston, Massachusets, USA
electron acceptor materials; guanine cytosines; HOMO and LUMO energies; hybrid molecules; organic photovoltaics; organic solutions; solution-processed; spectroscopic technique
Two self-assembling twin guanine-cytosine (G∧C) hybrid molecules featuring porphyrin (TPPO-(G∧C)₂) and oligothiophene groups (6T-(G∧C)₂) were synthesized. In organic solution, these molecules self-assemble into one-dimensional rosette nanotubes (RNTs) featuring the porphyrin or oligiothiophene groups on the outer surface. Using a combination of imaging and spectroscopic techniques we established the structure of the TPPO-(G∧C)₂ and 6T-(G∧C)₂ RNTs and compared the HOMO and LUMO energy levels with PC61BM, a well-known electron acceptor material. These studies, in combination with solid-state photoluminescence data of PC61BM-TPPO-(G∧C)₂ RNT blended thin films, indicates that these self-assembled nanomaterials have great potential as electron donor materials for solution-processed organic photovoltaics.
Date de publication
Cambridge University Press
Materials Research Society Symposium Proceedings1737 : 1–6.